function Q: f(x)=2x+1, g(x)=2x^2-1, find g(-3), g(f(m+2))

Complex numbers, rational functions, logarithms, sequences and series, matrix operations, etc.
tdf2437
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function Q: f(x)=2x+1, g(x)=2x^2-1, find g(-3), g(f(m+2))

Postby tdf2437 » Sun Aug 29, 2010 12:58 am

Need some assistance on functions
f(x) = 2x+1 and g(x) = 2x^2-1
find
question #1 g(-3)
question #2 g{f(m+2)}

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Martingale
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Re: function question

Postby Martingale » Sun Aug 29, 2010 1:16 am

tdf2437 wrote:Need some assistance on functions
f(x) = 2x+1 and g(x) = 2x^2-1
find
question #1 g(-3)
question #2 g{f(m+2)}



Where are you stuck?

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stapel_eliz
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Postby stapel_eliz » Sun Aug 29, 2010 11:08 am

tdf2437 wrote:Need some assistance on functions
f(x) = 2x+1 and g(x) = 2x^2-1
find
question #1 g(-3)
question #2 g{f(m+2)}

To learn how to evaluate functions for Question (1), try here. To learn how to compose functions for Question (2), try here. :wink:


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